docs: def eq_repertoires(self, other):
          """Return whether this concept has the same repertoires as another.
  
          .. warning::
              This only checks if the cause and effect repertoires are equal as
              arrays; mechanisms, purviews, or even the nodes that the mechanism
              and purview indices refer to, might be different.
          """
          return (
              np.array_equal(self.cause_repertoire, other.cause_repertoire) and
              np.array_equal(self.effect_repertoire, other.effect_repertoire))